## WARNING: Error exit, tauk2. IFAULT =  12
## WARNING: Error exit, tauk2. IFAULT =  12
## tau = 0.322, 2-sided pvalue =0.0017759
## Score =  63 , Var(Score) = 406.3333
## denominator =  195.4925
## tau = 0.322, 2-sided pvalue =0.0017759

## tau = 0.429, 2-sided pvalue =0.17355
## Score =  12 , Var(Score) = 65.33334
## denominator =  28
## tau = 0.429, 2-sided pvalue =0.17355
## 
## Call:
## lm(formula = year ~ total_sightings, data = yearly_sightings)
## 
## Coefficients:
##     (Intercept)  total_sightings  
##       2.004e+03        4.585e-02
## 
## Call:
## lm(formula = year ~ total_sightings, data = yearly_sightings)
## 
## Residuals:
##     Min      1Q  Median      3Q     Max 
## -2.2105 -1.0522 -0.5804  1.1684  2.5057 
## 
## Coefficients:
##                  Estimate Std. Error  t value Pr(>|t|)    
## (Intercept)     2.004e+03  8.899e-01 2251.767   <2e-16 ***
## total_sightings 4.585e-02  1.759e-02    2.607   0.0403 *  
## ---
## Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1
## 
## Residual standard error: 1.812 on 6 degrees of freedom
## Multiple R-squared:  0.5311, Adjusted R-squared:  0.4529 
## F-statistic: 6.796 on 1 and 6 DF,  p-value: 0.04029
## tau = 0.384, 2-sided pvalue =0.0041013